A

ASAP As soon as possible / practicable
ASARS Air Surveillance Airborne Radar System
ASAS Airborne Separation Assurance System / Système de garantie de séparation des
vols (FR)
ASC Ascending
ASCAP Automatic SSR Code Assignment Procedure
ASCB Avionics Standard Communication Bus *
ASCII American Standard Code for Information Interchange / Exchange *
ASCOT Airport Slots Compliance Tools
ASD Architecture and System Design Section (CFMU)
ASD Air Situation Display
ASDA Accelerate Stop Distance Available
ASDAR Aircraft to Satellite Data Relay
ASDE Airport Surveillance Detection Equipment
ASD-TF Air Situation Display Task Force
ASE Application Service Element *
ASE ATM Systems Engineering
ASE Altimetry System Error
ASE Agence Spatiale Européenne (FR)
ASECNA Agency for the Safety of Air Navigation in Africa and Madagascar * / Agence pour